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Hi-fi, Radio, and Retro: The DIY Projects Spectrum Readers Love

Cars That Think

This month we’re celebrating the launch of our second PDF collection of Hands On articles, which IEEE members can download from IEEE Spectrum ’s website and share with friends. Far and away our most popular article in the last five years has been “ Build Your Own Professional-Grade Audio Amp on the Sort of Cheap ” (November 2018).

DIY 78
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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. This article appears in the September 2021 print issue as "An Instant E-bike.". In 2009, I wrote in these pages about my efforts to. Fast forward a dozen years. OK boomer," indeed.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. This article appears in the September 2021 print issue as "An Instant E-bike.". In 2009, I wrote in these pages about my efforts to. Fast forward a dozen years. OK boomer," indeed.

DIY 98
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Our Hands-On Citizen-Scientist

Cars That Think

As he prepares to leave Spectrum to pursue more writing and assorted other projects, I asked Schneider to survey his DIY oeuvre and choose some highlights. Schneider’s training and experience as a geophysicist has informed not only his Hands On projects but also the hundreds of articles he has reported or edited over the years.

DIY 83
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Building the Future of Smart Home Security

Cars That Think

This is a sponsored article brought to you by SimpliSafe. As the demand for smart home security grows, it’s pertinent that the engineers who build the products and services that keep millions of customers safe continue to experiment with new technologies that could enhance overall security and accessibility.

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DIYers Have Been Quietly Building The Green Campers Of Tomorrow

CleanTechnica EVs

In a recent article, I lamented the competing pressures of efficiency and luxury in campers. I wanted something small, light, and efficient that my Bolt EUV could tow, because nothing spoils a fun trip like going into debt (both financial and to my kids for ruining the planet) to cover the fuel bill. But, living […].

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Build a Passive Radar With Software-Defined Radio

Cars That Think

Building off the demand stimulated by this activity, a number of manufacturers have started making premium, but still relatively cheap, SDRs. Second, my roof has a line of sight to the Empire State Building, giving me the ability to choose as a reference signal any one of more than half a dozen TV channels transmitted from its spire.